#include int main () { int n = 0; int a = 0; int res = 0; int is_ok = 0; int acc = 0; int cnt[8192] = {}; res = scanf("%d", &n); for (int i = 0; i < n; i++) { res = scanf("%d", &a); acc ^= a; if (cnt[acc] > 0) { is_ok = 1; } cnt[acc]++; } if (acc > 0) { is_ok = 0; } if (is_ok > 0) { printf("Yes\n"); } else { printf("No\n"); } return 0; }